Fifty firefighers were involved in tackling a blaze at a former crisp factory in Bradford tonight.

A blaze was spotted at the former Seabrooks potato crisp factory in Allerton Road, Allerton, at around 9.45pm, with the third floor and roof of the three-storey building engulfed by fire.

Six fire tenders and two aerial units were involved in the firefighting operation, involving a total of around 50 crew members. Firefighters used three jets and a ground monitor to bring the flames under control.

There was also a mobile command unit at the scene.

It is understood there were also concerns about the possibility of asbestos being involved in the fire.